*{
	margin: 0;
	padding: 0;
	text-decoration: none;
	list-style: none;
}
.container{
	width: 1100px;
	margin: auto;
}
.nav{
	padding: 30px 0;
	overflow: hidden;
}
.nav a{
	display: block;
	float: left;
	padding-right: 15px;
}
.nav h3{
	float: left;
	padding-top: 18px;
	font-family: "微软雅黑";
	
}
h4{
	width: 100%;
	height: 37px;
	line-height: 37px;
	border-bottom: 2px solid #999;
}
.header{
	margin-bottom: 10px;
}
.header span{
	display: block;
	height: 37px;
	width: 90px;
	border-bottom: 2px solid red;
	line-height: 37px;
	color: red;
	font-family: "微软雅黑";
}
table{
	border-collapse:collapse ;
}
tr{
	width: 100%;
	height: 100%;
}
input{
	text-align: center;
	    width: 40px;
}
td{
	padding: 20px;
	font-family: "微软雅黑";
	font-size: 14px;
	line-height: 20px;
}
.del:hover{
	cursor: pointer;
}
